Cranberry Fritillary (Boloria aquilonaris) seen from underside while warming wings in sun. This is a critically endangered species of butterfly in the

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Cranberry Fritillary (Boloria aquilonaris) seen from underside while warming wings in sun. This is a critically endangered species of butterfly in the Netherlands

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Size: 4358px × 2905px
Photo credit: © Rudmer Zwerver / Alamy / Afripics
License: Royalty Free
Model Released: No

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